<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="/mails" method="post">
    <span>用户名:</span>
    <input type="text" name="name">
    <span>密码：</span>
    <input type="password" name="password">
    <span>邮箱：</span>
    <input type="email" name="mailbox">
    <input type="submit" value="提交">
</form>
</body>
</html>
